CN108933383A - A kind of arrester in built in air gap - Google Patents
A kind of arrester in built in air gap Download PDFInfo
- Publication number
- CN108933383A CN108933383A CN201810645218.0A CN201810645218A CN108933383A CN 108933383 A CN108933383 A CN 108933383A CN 201810645218 A CN201810645218 A CN 201810645218A CN 108933383 A CN108933383 A CN 108933383A
- Authority
- CN
- China
- Prior art keywords
- air gap
- arrester
- valve sheet
- built
- resistor valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000012212 insulator Substances 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/16—Series resistor structurally associated with spark gap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a kind of arresters in built in air gap, it is related to lightning-protecting engineering field, by being embedded in the air gap between on high-tension side electrode and resistor valve sheet, so that arrester resistor valve sheet is isolated with working voltage, arrester is in non-charged state under normal operating conditions, the basic No leakage electric current of arrester flows through under route normal operating voltage, is equivalent to insulator；When lightning current enters arrester, first discharge breakdown the air gap, then enter ground through resistor valve sheet, lightning current is released to the earth, to play the role of lightning protection.By built in air gap, realizes the air gap and the moulding integrated structure of lightning arrester body, facilitate installation and the O&M of arrester；Lightning protection effect can be played again, while be can be avoided and be shortened extension service life of arrester because resistor valve sheet charges for a long time.
Description
Technical field
The present invention relates to lightning-protecting engineering field more particularly to a kind of arresters in built in air gap.
Background technique
Currently, it is series-parallel usually using the arrester with series connection the air gap and line insulator to take shelter from the thunder in route, air
Lightning arrester body is isolated with live wire in gap, and arrester No leakage electric current flows through under route normal operating voltage；Work as incident
When by overvoltage, the air gap is breakdown and arrester resistor valve sheet resistance value sharply declines, and discharges prior to insulator chain, thunder of releasing
Electric current prevents insulator chain flashover, avoids line tripping.
Lightning arrester body is not subject to system operation when having the advantage that (1) operation with the gap arrester between series connection air
Voltage effect, basic No leakage electric current have delayed the aging of valve block, have extended the service life of arrester, be thus greatly decreased lightning-arrest
Device inspection and routine test work；(2) by selecting suitable clearance distance, leakage conductor can be made only in amplitude thunder and lightning mistake
It acts under voltage, and is failure to actuate under power frequency and switching overvoltage, to reduce the unnecessary action frequency of arrester.
The above-mentioned arrester with air gap structure, the air gap are external.When by overvoltage, it is ensured that lightning-arrest
Device has stringent Insulation Coordination to design prior to insulator arc-over, with air gap arrester and insulator, different model
Arrester its require the air gap have different required distance or even same voltage class the arrester with the air gap its
Air gap distance does not have same standard yet.Thus in construction and installation, operational process, air gap distance is improper, fail with
Insulator forms reasonable Insulation Coordination, and the arrester with the air gap is caused to implement overvoltage protection to route.
The present invention designs a kind of arrester in built in air gap as a result, it is ensured that air gap distance is being installed, run
It is not subjected to displacement in journey, band air gap arrester is made effectively to play lightning protection.
Summary of the invention
The purpose of the present invention is to provide a kind of arresters in built in air gap, to overcome band air gap structure
The air gap installation of arrester, the shortcomings that being subjected to displacement in O&M.
To achieve the above object, the present invention provides a kind of arresters in built in air gap, comprising:
Insulating coating；
Upper flange is located on the top of the insulating coating；
Lower flange is located in the bottom end of the insulating coating, and the upper flange, insulating coating and lower flange are formed in one
Chamber；
The top electrode of resistor valve sheet is located on the top of the inner cavity；
The lower electrode of resistor valve sheet is located in the bottom end of the inner cavity；
Resistor valve sheet is located in the top of the lower electrode of the resistor valve sheet, and connect with the lower electrode of the resistor valve sheet；
Further include:
The top electrode of the air gap is located at below the top electrode of the resistor valve sheet, and the top electrode with the resistor valve sheet
Connection；And
The lower electrode of the air gap is located above the resistor valve sheet, and is connected with the resistor valve sheet, between the air
The air gap is provided between the top electrode of gap, the lower electrode of the air gap.
Further, the lower electrode of the top electrode of the air gap and the air gap is metallic conductor.
Further, further include wiring hole, be located at the top of the upper flange, and powering on by the resistor valve sheet
Pole is connect with the top electrode of the air gap.
Further, the air gap is semienclosed space.
Further, the air gap is equipped with stomata, communicates with the outside world the inner air of the air gap.
Further, the resistor valve sheet is ZnO resistors valve block.
Further, insulating coating has silicon rubber umbrella skirt.
Further, the inner wall that the upper flange, insulating coating and lower flange form an inner cavity is equipped with epoxy resin.
Further, the resin is that epoxy resin forms epoxy resin cylinder.
Further, the top electrode of the epoxy resin and resistor valve sheet, resistor valve sheet lower electrode, resistor valve sheet, sky
Filler is equipped between the top electrode in gas gap and the lower electrode of the air gap.
Compared with prior art, the invention has the following beneficial effects: built in air gaps provided by the present invention
Resistor valve sheet is isolated with working voltage by built in air gap for arrester built in air gap, be arrester by
It when overvoltage, is acted prior to protected device, first discharge breakdown the air gap, then enters ground through resistor valve sheet, thunder and lightning is flowed
It is put into the earth, to play the role of lightning protection；By built in air gap, the air gap and lightning arrester body molding are realized
Integral structure facilitates arrester installation and O&M with the air gap；Meanwhile it can be avoided by the air gap because of resistance
Valve block charges for a long time and shortens extension service life of arrester.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the present of invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the arrester in built in air gap of the present invention；
Wherein: 1- wiring hole, 2- upper flange, the top electrode of 3- resistor valve sheet, the top electrode of the air gap 4-, the air gap 5-,
6- stomata, the lower electrode of the air gap 7-, 8- epoxy resin cylinder, 9- resistor valve sheet, 10- insulating coating, 11- filler, 12- electricity
Hinder the lower electrode of valve block, 13- lower flange.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the present invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's every other embodiment obtained without creative labor,
It shall fall within the protection scope of the present invention.
As shown in Figure 1, the arrester in built in air gap provided by the present invention includes: wiring hole 1, upper flange 2, high pressure
Lateral electrode 3, the top electrode 4 of the air gap, the air gap 5, stomata 6, the lower electrode 7 of the air gap, epoxy resin cylinder 8, resistance
Valve block 9, insulating coating 10, filler 11, the lower electrode 12 and lower flange 13 of resistor valve sheet.
It continues to refer to figure 1, upper flange 2 is located on the top of insulating coating 10, and the top of upper flange 2 is used equipped with wiring hole 1
In the live wire of external protected device；Lower flange 13 is located in the bottom end of insulating coating 10, upper flange 2, insulating coating 10
An inner cavity is formed with lower flange 13；Insulating coating 10 is cylindrical shape, and by silicon rubber injection molding, and 10 periphery of insulating coating has
There is umbrella skirt construction；Upper flange 2, insulating coating 10 and lower flange 13 form an inner cavity, and the inner wall of inner cavity is equipped with epoxy resin
Cylinder 8.
With further reference to Fig. 1, the top of inner cavity is equipped with the top electrode 3 of resistor valve sheet, and the top electrode 3 of resistor valve sheet is
Close on high-tension side electrode, 3 lower end of top electrode of resistor valve sheet is equipped with the top electrode 4 for the air gap being connected, and wiring hole 1 is logical
The top electrode 3 for crossing resistor valve sheet is connect with the top electrode 4 of the air gap；The bottom end of inner cavity is equipped with the lower electrode of resistor valve sheet
12, the upper end of the lower electrode 12 of resistor valve sheet is equipped with the resistor valve sheet 9 being connected, and resistor valve sheet 9 is ZnO resistors valve block, electricity
The top of resistance valve block 9 is equipped with the lower electrode 7 of the air gap being connected, the top electrode 4 of the air gap, the air gap lower electrode
It is provided with the air gap 5 between 7, the air gap 5 is semienclosed space, on the two sides insulating coating 10 of the air gap 5
Equipped with a stomata 6, communicate with the outside world the inner air of the air gap 5, under the top electrode 4 of the air gap and the air gap
Electrode 7 is metallic conductor；Lower electrode 12, the resistor valve sheet of the top electrode 3 of epoxy resin cylinder 8 and resistor valve sheet, resistor valve sheet
9, filler 11 is equipped between the top electrode 4 of the air gap and the lower electrode 7 of the air gap.
The air gap 5 is embedded between the top electrode 3 and resistor valve sheet 9 of the intracavitary resistor valve sheet of arrester, so that resistance valve
Piece 9 is isolated with working voltage, and arrester is in non-charged state under normal operating conditions, and arrester is made to be equivalent to insulator,
The basic No leakage electric current of arrester flows through under route normal operating voltage, has delayed the aging of resistor valve sheet 9, has extended lightning-arrest
The service life of device.When arrester is when by overvoltage, arrester is acted prior to protected device, and lightning current enters arrester elder generation
Discharge breakdown the air gap 5, then enter ground through resistor valve sheet 9, lightning current is released to the earth, to play the role of lightning protection.
Above disclosed is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, can readily occur in variation or modification,
It is covered by the protection scope of the present invention.
Claims (10)
1. a kind of arrester in built in air gap, comprising:
Insulating coating (10)；
Upper flange (2) is located on the top of the insulating coating (10)；
Lower flange (13) is located in the bottom end of the insulating coating (10), and the upper flange (2), insulating coating (10) are under
Flange (13) forms an inner cavity；
The top electrode (3) of resistor valve sheet is located on the top of the inner cavity；
The lower electrode (12) of resistor valve sheet is located in the bottom end of the inner cavity；
Resistor valve sheet (9) is located in the top of the lower electrode (12) of the resistor valve sheet, and the lower electricity with the resistor valve sheet
Pole (12) connection；
It is characterized by also including:
The top electrode (4) of the air gap, be located at the resistor valve sheet top electrode (3) below, and with the resistor valve sheet
Top electrode (3) connection；And
The lower electrode (7) of the air gap is located above the resistor valve sheet (9), and is connected with the resistor valve sheet (9),
The air gap (5) are provided between the top electrode (4) of the air gap, the lower electrode (7) of the air gap.
2. the arrester in built in air gap according to claim 1, it is characterised in that: the top electrode of the air gap
(4) and the lower electrode (7) of the air gap is metallic conductor.
3. the arrester in built in air gap according to claim 1, it is characterised in that: further include wiring hole (1), position
In the top of the upper flange (2), and pass through the top electrode (4) of the top electrode of the resistor valve sheet (3) and the air gap
Connection.
4. the arrester in built in air gap according to claim 1, it is characterised in that: the air gap (5) is half
Enclosed space.
5. the arrester in built in air gap according to claim 4, it is characterised in that: the air gap (5) is equipped with
Stomata (6) communicates with the outside world the inner air of the air gap (5).
6. the arrester in built in air gap according to claim 1, it is characterised in that: the resistor valve sheet (9) is oxygen
Change zinc resistor valve sheet.
7. the arrester in built in air gap according to claim 1, it is characterised in that: insulating coating (10) is equipped with silicon rubber
Glue full skirt.
8. the arrester in built in air gap according to claim 1, it is characterised in that: the upper flange (2), insulation are outer
It covers (10) and lower flange (13) and forms the inner wall of an inner cavity equipped with epoxy resin.
9. the arrester in built in air gap according to claim 8, it is characterised in that: the resin is epoxy resin shape
At epoxy resin cartridge (8).
10. the arrester in built in air gap according to claim 8, it is characterised in that: the epoxy resin and resistance
The top electrode (3) of valve block, the lower electrode (12) of resistor valve sheet, resistor valve sheet (9), the air gap top electrode (4) and air between
Filler (11) are equipped between the lower electrode (7) of gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645218.0A CN108933383A (en) | 2018-06-21 | 2018-06-21 | A kind of arrester in built in air gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645218.0A CN108933383A (en) | 2018-06-21 | 2018-06-21 | A kind of arrester in built in air gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108933383A true CN108933383A (en) | 2018-12-04 |
Family
ID=64446202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645218.0A Pending CN108933383A (en) | 2018-06-21 | 2018-06-21 | A kind of arrester in built in air gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933383A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517101A (en) * | 2021-07-01 | 2021-10-19 | 西安交通大学 | Lightning arrester |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629490U (en) * | 2009-11-19 | 2010-11-10 | 湖州泰仑电力电器有限公司 | Vacuum clearance arrester |
| CN203747241U (en) * | 2013-12-13 | 2014-07-30 | 中国西电电气股份有限公司 | Air gap lightning arrester |
| CN203967510U (en) * | 2014-07-08 | 2014-11-26 | 刘广俊 | Transformer station's valve formula lightning arrester |
| CN204496992U (en) * | 2015-04-10 | 2015-07-22 | 国网上海市电力公司 | A kind of insulator supports fixed interval (FI) overvoltage protection device |
| CN107301910A (en) * | 2017-05-17 | 2017-10-27 | 广西电网有限责任公司电力科学研究院 | A kind of arrester for cutting down lightning current steep wave |
| CN107481821A (en) * | 2017-07-21 | 2017-12-15 | 国网湖南省电力公司 | A kind of anti-thunder insulator |
| CN208401256U (en) * | 2018-06-21 | 2019-01-18 | 广西电网有限责任公司电力科学研究院 | A kind of arrester structure in built in air gap |
-
2018
- 2018-06-21 CN CN201810645218.0A patent/CN108933383A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629490U (en) * | 2009-11-19 | 2010-11-10 | 湖州泰仑电力电器有限公司 | Vacuum clearance arrester |
| CN203747241U (en) * | 2013-12-13 | 2014-07-30 | 中国西电电气股份有限公司 | Air gap lightning arrester |
| CN203967510U (en) * | 2014-07-08 | 2014-11-26 | 刘广俊 | Transformer station's valve formula lightning arrester |
| CN204496992U (en) * | 2015-04-10 | 2015-07-22 | 国网上海市电力公司 | A kind of insulator supports fixed interval (FI) overvoltage protection device |
| CN107301910A (en) * | 2017-05-17 | 2017-10-27 | 广西电网有限责任公司电力科学研究院 | A kind of arrester for cutting down lightning current steep wave |
| CN107481821A (en) * | 2017-07-21 | 2017-12-15 | 国网湖南省电力公司 | A kind of anti-thunder insulator |
| CN208401256U (en) * | 2018-06-21 | 2019-01-18 | 广西电网有限责任公司电力科学研究院 | A kind of arrester structure in built in air gap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517101A (en) * | 2021-07-01 | 2021-10-19 | 西安交通大学 | Lightning arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181204 |
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| RJ01 | Rejection of invention patent application after publication |